LCOV - code coverage report
Current view: top level - arch/x86/kernel - tracepoint.c (source / functions) Hit Total Coverage
Test: landlock.info Lines: 0 6 0.0 %
Date: 2021-04-22 12:43:58 Functions: 0 2 0.0 %

          Line data    Source code
       1             : // SPDX-License-Identifier: GPL-2.0
       2             : /*
       3             :  * Code for supporting irq vector tracepoints.
       4             :  *
       5             :  * Copyright (C) 2013 Seiji Aguchi <seiji.aguchi@hds.com>
       6             :  *
       7             :  */
       8             : #include <linux/jump_label.h>
       9             : #include <linux/atomic.h>
      10             : 
      11             : #include <asm/hw_irq.h>
      12             : #include <asm/desc.h>
      13             : #include <asm/trace/exceptions.h>
      14             : #include <asm/trace/irq_vectors.h>
      15             : 
      16             : DEFINE_STATIC_KEY_FALSE(trace_pagefault_key);
      17             : 
      18           0 : int trace_pagefault_reg(void)
      19             : {
      20           0 :         static_branch_inc(&trace_pagefault_key);
      21           0 :         return 0;
      22             : }
      23             : 
      24           0 : void trace_pagefault_unreg(void)
      25             : {
      26           0 :         static_branch_dec(&trace_pagefault_key);
      27           0 : }

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